R2	Coefficient of Determination
RMSE	Root Mean Square Error
OPC	Ordinary Portland Cement
GEP	Gene Expression Programming
ANN	Artificial Neural Network
DNN	Deep Neural Network
GGBFS	Ground Granulated Blast Furnace Slag
GGBS	Ground Granulated Blast Furnace Slag
HTS	High Titanium Slag
RFE	Recursive Feature Elimination
RF	Random Forest
ET	Extra Tree
GBM	Gradient Boosting Machine
XGB	Extreme Gradient Boosting
LGBM	Light Gradient Boosting Machine
GOSS	Gradient-Based One-Side Sampling
CAT	Categorical Boosting Machine
EBM	Explainable Boosting Machine
GAM	Generalized Additive Model
MAE	Mean Absolute Error
MAPE	Mean Absolute Percentage Error
SHAP	Shapley Additive Explanations
GHz	Gigahertz
NaOH	Sodium Hydroxide
Na2SiO3	Sodium Silicate
FA	Fly Ash
MPa	Megapascals
mins	Minutes
mm2	Square Millimeters
W	Watts
IQR	Interquartile Range
SD	Standard Deviation (Microwave Power)
COV	Coefficient of Variation
Min	Minimum
Max	Maximum
UQ	Uncertainty Quantification